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03/04/2021 9:04 PM
I have been trying Scott Rao Hario V60 pourover this week. 1:17 and blooming with 2 parts water the first 45 seconds then splitting the rest into 2 pours. A little stirring is included. We like it.

03/04/2021 11:35 AM
My brew ratio is 1:17 (exactly 59.5 g/L). That's roughly 8.5g per 5-oz cup.

02/27/2021 9:29 AM
I'm looking to hire someone to teach/help me to find the best roast profile for the 3 types of coffee that grow on my farm in nicaragua. I live in LA, but but could go anywhere in so cal with my Behmor for a roasting lesson. Please contact me if you're in

02/17/2021 7:20 PM
When your wife thinks 30 grams for a 6 cup setting is strong, you learn to drink muddy water when you are making coffee for both of you.

02/17/2021 8:32 AM
I use a rule of thumb of 60 grams per liter. 8 cups (1 liter, 32 oz) = 60 grams, 6 cups (3/4 liter, 24 oz) = 45 grams. 10 cups = 75 grams 12 cups = 90 grams

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A compact Air Roaster
Koffee Kosmo
Came across this roaster & wanted to share

Rair Systems Inc., Northbrook, Ill., introduces the Aerabica 2000R, a patented, countertop air roaster for conveniently converting green coffee into fresh coffee in small batches without expensive installations, operating costs.

The Aerabica 2000R requires only 120-volt service and no exhaust system

This is all I can find out about it in my internet searches that was prompted by this photo

Just thought I would post it up for discussion and to see if my US Home Roaster friends could shed some more light on its inner workings, bean roasting capacity & price range ?

KK
Koffee Kosmo attached the following image:
air_aerabica_roaster.jpg

I home roast and I like it. Designer of the KKTO
Roaster Build information
https://forum.hom...ad_id=1142

https://docs.goog...lide=id.i0
Blog - http://koffeekosm...gspot.com/

Bezzera Strega, Mazzer Robur Grinder, Pullman Tamper Convex,
(KKTO) Turbo Oven Home Roaster.
Brainiac
Have a look at US patent 5,193,444

Brian
Brainiac attached the following image:
rair.jpg
seedlings
"The machine is only about 14" wide and about the same size as a microwave oven. It plugs directly into a standard electrical outlet, and with the attachment of a dryer-type exhaust hose, you're ready to roast. Batch size of the Aerabica is 1 lb. to 3.5 lbs., with roasting times varying from 9 minutes to 26. The machine can roast up to 10 pounds per hour.

The beans are roasted in a stainless steelstainless steel. drum which has a built-in chaff collector. Hot air is circulated through the drum while it revolves, by a 2000 watt electric heater. There is a small door built into the machine so coffee can be checked for color."

From
http://www.thefre...a014507112

Excellent find. Too bad the info is so sketchy - wonder if it's actually in production? Found a few references to sales on eBay.

It's pretty much what I wanted to build. Think: 3.5lbs roasted on a 2000W element? I'd love to know how that's possible! Especially when the patent repeatedly suggests the operating temperature won't go over 500F.

http://www.freepa...temming=on

You may have to register at freepatentsonline to see the info.
CHAD
Edited by seedlings on 07/15/2009 7:58 AM
Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500
Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover
Koffee Kosmo
There is one for sale in Australia close to me (25 min drive)
A coffee van business originally advertised as a complete package on ebay au
but he is willing to split it up
He wants $8,000 for the roaster and a stash of beans
Read the update and then scroll down to view the photos

http://cgi.ebay.c...1|294%3A50
KK
Edited by Koffee Kosmo on 07/15/2009 8:13 AM
I home roast and I like it. Designer of the KKTO
Roaster Build information
https://forum.hom...ad_id=1142

https://docs.goog...lide=id.i0
Blog - http://koffeekosm...gspot.com/

Bezzera Strega, Mazzer Robur Grinder, Pullman Tamper Convex,
(KKTO) Turbo Oven Home Roaster.
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